CHANGES IN THE GENEALOGICAL STRUCTURE OF THE BREEDING STOCK OF THE YAROSLAVL BREED IN THE VOLOGDA REGION

2020 ◽  
pp. 24-29
Author(s):  
N.I. ABRAMOVA ◽  
G.S. VLASOVA ◽  
O.L. KHROMOVA
Keyword(s):  
Protein Content ◽  
Negative Impact ◽  
Breeding Stock ◽  
Holstein Breed ◽  
Vologda Region ◽  
Ideal Line ◽  
Productivity Potential ◽  
New Generation ◽  
Modern Population ◽  
Positive Effect

Проведен сопоставительный анализ генеалогической структуры племенного поголовья ярославской породы Вологодской области по данным 2005 и 2018 годов. Установлено, что в 2005 году в структуру породы входили 8 отечественных генеалогических линий. В результате скрещивания с голштинской породой произошли значительные изменения. Доля животных, принадлежащих к линиям ярославской породы, уменьшилась со 100% в 2005 году до 35,3% в 2018 году. В генеалогическую структуру современной популяции добавились 3 линии голштинской селекции, к которым на 1.01.2019 года относится большая часть маточного поголовья: к линии Рефлекшн Соверинга 198998 — 42,9%, Вис Бэк Айдиала 1013415 — 13%, Монтвик Чифтейна 95679 — 8,8%. Скрещивание с голштинской породой оказало положительное влияние на повышение молочной продуктивности животных ярославской породы. Средний надой на 1 корову увеличился на 1670 кг молока, доля коров с продуктивностью более 6000 кг молока выросла на 35%. В результате расчета корреляционной зависимости между кровностью по голштинской породе и массовой долей жира и белка в молоке установлено, что скрещивание не ухудшило качественные показатели молока коров ярославской породы (степень кровности с МДЖ — r=-0,01; с МДБ — r=0,09; P<0,01), но в то же время отразилось отрицательно на продолжительности хозяйственного использования животных в стаде (r=-0,27; P<0,001). Для дальнейшего совершенствования породы следует определить оптимальную степень прилития крови голштинской породы. А с целью сохранения генофонда необходимо получение нового поколения чистопородных быков ярославской породы с более высоким потенциалом продуктивности. The authors conduct a comparative analysis of the genealogical structure of the breeding stock of the Yaroslavl breed in the Vologda region on the basis of the data for 2005 and 2018. It is established that in 2005 the structure of the breed included 8 domestic genealogical lines. As a result of the crossing with the Holstein breed, significant changes occurred. The share of animals of the Yaroslavl breed lines decreased from 100% in 2005 to 35.3% in 2018. The genealogical structure of the modern population got 3 added lines of the Holstein selection which as of 1.01.2019 include most of the breeding stock: Reflection Sovering line 198998 - 42.9%, Vis Back Ideal line 1013415 - 13%, and Montwick Chieftain line 95679 - 8.8%. The crossing with the Holstein breed had a positive effect on the increase in the milk productivity of the Yaroslavl breed animals. The average milk yield per 1 cow increased by 1670 kg of milk and the share of cows with the productivity of more than 6000 kg of milk increased by 35%. The results of the calculations of the correlation between the Holstein thoroughbredness and the fat and protein content in the milk showed that the crossing did not impair the quality indicators of the milk the Yaroslavl breed cows (thoroughbredness degree with the fat content r=-0.01; with the protein content r=0.09 P<0.01), but at the same time had a negative impact on the duration of the economic use of the animals in the herd (r=-0.27; P<0.001). For further improvement of the breed, there is a need to determine the optimal degree of crossing with the Holstein breed. Also, in order to preserve the gene pool, there is a need to obtain a new generation of purebred bulls of the Yaroslavl breed with a higher productivity potential.

Use of bulls-producers of various origin on the breeding stock of the Yaroslavl breed of the Vologda region

2020 ◽  
pp. 61-68
Author(s):  
N. Abramova ◽  
O. Khromova
Keyword(s):  
The United States ◽  
Blood Type ◽  
Breeding Value ◽  
Breeding Stock ◽  
Holstein Breed ◽  
Vologda Region ◽  
The World ◽  
Dairy Cattle Breeding ◽  
The Usa ◽  
Analytical System

The research was conducted in order to study the breeding value of bulls-producers of various origins, used in the breeding stock of cows of the Yaroslavl breed in the Vologda region. The work was done on the basis of the information analytical system «Seleks» for 52 bulls-producers of Yaroslavl and Holstein breed obtained in different countries of the world and used the herd of 1600 cows dairy cattle breeding farm ZAO Sheksna Vologda region. General scientific research methods were used: monographic, statistical, and data visualization. It was found that the used bulls were produced in 5 countries of the world: the USA, Canada, Germany, the Netherlands and Russia. The vast majority of 76.9% of used manufacturers are of domestic origin. It was determined that in the controlled population, the factor «country of origin of the bull» has a significant influence (P<0.001) on the breeding value of producers based on the maternal ancestry (η2=0.46). Bulls from Canada and the United States have the highest indicators of breeding value for the milk yield of their maternal ancestors — 15436 and 14210 kg of milk, respectively. Domestic bulls have a breeding value of 8310 kg of milk, which is 7126 kg less than that of producers from Canada (P ≤ 0.001). The best indicators of bull potential realization by maternal ancestry were found in the daughters of Dutch and Russian producers (64.1% and 69.5%, respectively). The higher-than-average yield for the herd is obtained from cows with a Holstein blood type of 50% or more, using purebred Holstein bulls, both foreign and domestic selection, as well as Yaroslavl bulls with a high degree of blood type for improving breed (75-88%). In order to preserve the Yaroslavl breed of cattle, it is necessary to determine the optimal degree of blood transfusion of the Holstein breed, taking into account not only the productive characteristics, but also the characteristics of the health and longevity of animals.

Milk productivity of the cows of Holstein and Simmental breeds in environment of the Novosibirsk region

2020 ◽  
pp. 41-49 ◽  
Author(s):  
A. Zheltikov ◽  
N. Kostomakhin ◽  
D. Adushinov ◽  
O. Zaiko ◽  
V. Dementev ◽  
...  
Keyword(s):  
Protein Content ◽  
Milk Yield ◽  
Milk Fat ◽  
Correlation Coefficients ◽  
Live Weight ◽  
Fat Content ◽  
Milk Productivity ◽  
Holstein Breed ◽  
Novosibirsk Region ◽  
Daily Milk Yield

The characteristic of milk productivity of cows of Holstein and Simmental breeds in LLC “Sibirskaya Niva” in the Maslyaninsky district in the Novosibirsk region has been given. It has been revealed that under the natural and climatic environments of the Western Siberia, when creating favorable conditions for feeding and housing for cows of Holstein and Simmental breeds have sufficiently high milk productivity. It has been found that Holstein first-calf heifers surpassed their Simmental herdmates by 959 kg in milk yield for the first 305 days of lactation under the same conditions of housing and feeding, by 3,1 kg in daily milk yield, by 38,2 kg in milk fat yield, and by 28,3 kg in milk protein yield (P < 0,001). There were no statistically significant differences between animals of Holstein and Simmental breeds in terms of fat and protein content in milk, which amounted to 3,94 and 2,96 % in Holstein breed and 3,97 and 2,98 % in Simmental breed, respectively. Both breeds have shown high milk productivity during the first 3 lactations. Thus, the milk yield of Holstein cows for the first 3 lactation was 6475–9290 kg, Simmental cows it was 5516–7680 kg, fat content was 3,93–3,99 and 3,96–3,97 %, respectively. The protein content in the milk of cows of both breeds did not exceed 3,0 %. High variability has been found in milk yield, yield of milk fat and protein, the coefficient of milk content and duration of lactation, the lowest in the content of protein and fat in milk and live weight. The correlation coefficients between the fat and protein content in milk were generally positive, but did not exceed 0,28. Therefore, breeding in the herd of cows in LLC “Sibirskaya Niva” have to be conducted not only by fat content, but also by protein content in milk.

scholarly journals Efficacy of the Treatment of Developmental Language Disorder: A Systematic Review

2021 ◽  
Vol 11 (3) ◽  
pp. 407
Author(s):  
Sara Rinaldi ◽  
Maria Cristina Caselli ◽  
Valentina Cofelice ◽  
Simonetta D’Amico ◽  
Anna Giulia De Cagno ◽  
...  
Keyword(s):  
Language Disorder ◽  
Negative Impact ◽  
Receptive Vocabulary ◽  
Primary School Children ◽  
Control Group ◽  
Developmental Language Disorder ◽  
Expressive Vocabulary ◽  
Phonological Skills ◽  
Syntactic Skills ◽  
Positive Effect

Background. Language disorder is the most frequent developmental disorder in childhood and it has a significant negative impact on children’s development. The goal of the present review was to systematically analyze the effectiveness of interventions in children with developmental language disorder (DLD) from an evidence-based perspective. Methods. We considered systematic reviews, meta-analyses of randomized controlled trials (RCTs), control group cohort studies on any type of intervention aimed at improving children’s skills in the phono-articulatory, phonological, semantic-lexical, and morpho-syntactic fields in preschool and primary school children (up to eight years of age) that were diagnosed with DLD. We identified 27 full-length studies, 26 RCT and one review. Results. Early intensive intervention in three- and four-year-old children has a positive effect on phonological expressive and receptive skills and acquisitions are maintained in the medium term. Less evidence is available on the treatment of expressive vocabulary (and no evidence on receptive vocabulary). Intervention on morphological and syntactic skills has effective results on expressive (but not receptive) skills; however, a number of inconsistent results have also been reported. Only one study reports a positive effect of treatment on inferential narrative skills. Limited evidence is also available on the treatment of meta-phonological skills. More studies investigated the effectiveness of interventions on general language skills, which now appears as a promising area of investigation, even though results are not all consistent. Conclusions. The effectiveness of interventions over expressive and receptive phonological skills, morpho-syntactic skills, as well as inferential skills in narrative context underscores the importance that these trainings be implemented in children with DLD.

scholarly journals Sewage Sludge as a Tool in Limiting the Content of Trace Elements in Avena sativa L. on the Soil Polluted with Diesel Oil

Materials ◽  
2021 ◽  
Vol 14 (14) ◽  
pp. 4003
Author(s):  
Mirosław Wyszkowski ◽  
Jadwiga Wyszkowska ◽  
Agata Borowik ◽  
Natalia Kordala
Keyword(s):  
Trace Elements ◽  
Sewage Sludge ◽  
Soil Contamination ◽  
Avena Sativa ◽  
Negative Impact ◽  
Diesel Oil ◽  
Average Content ◽  
Nickel Copper ◽  
Copper Manganese ◽  
Positive Effect

The aim of the research was to determine the effect of soil contamination with diesel oil (0; 5; 10 and 15 cm3 kg−1 of soil) on the content of trace elements in the aboveground parts of oat (Avena sativa L.). Stabilised sewage sludge was used to mitigate the likely negative impact of diesel oil on the plant. Growing soil contamination with diesel oil had a significant impact on the content of trace elements in the aboveground biomass of oat. In the series without sewage sludge, the contents of the analysed elements, except for chromium, zinc, copper and cobalt, were positively correlated with the increasing doses of diesel oil. The largest increase in the content was recorded in the case of manganese. The sewage sludge used to reduce the influence of diesel oil on the chemical composition of oat had a positive effect on the content of the analysed trace elements. Compared to the series without the addition of a stabilised sewage sludge, it contributed to a reduction in the average content of chromium, nickel, copper, manganese and cobalt in the aboveground parts of oat plants. No significant effect of the applied remediation treatment was noted for cadmium, and the results were equivocal for iron.

Population characteristics of daughters of domestic and foreign breeding bulls

2021 ◽  
Vol 1 (2) ◽  
pp. 29-35
Author(s):  
N. I. Abramova ◽  
◽  
O. L. Khromova ◽  
M. O. Selimyan ◽  
◽  
...  
Keyword(s):  
Genetic Structure ◽  
Milk Yield ◽  
Population Characteristics ◽  
Breeding Value ◽  
Black And White ◽  
Vologda Region ◽  
Breeding Work ◽  
White Breed ◽  
Productive Traits ◽  
Modern Population

The use of foreign-bred bulls leads to changes in the genetic structure of the black-and-white breed population, which affects the level of population characteristics. The study was conducted to study the comparative variability and heritability of productive and reproductive characteristics of daughters of sires of domestic and foreign selection in pedigree livestock 10 250 cows 1st calving modern population of black-motley breed of the Vologda region. The superiority of the offspring of foreign bulls in the average indicators of all the studied traits was established with confidence (P<0,001). There were no significant differences in the level of variability of the characteristics of the descendants of domestic and foreign bulls. According to productive traits, the greatest variability of indicators was established for milk yield for 305 days of the 1st lactation Cv = 17,3 – 17,7%, therefore, selection on this trait will be more effective. The greatest share of the influence of bullsfathers, both domestic and foreign selection, in the total sum of all factors determining the value of traits in the population of the black-and-white breed, is determined by the milk yield of daughters η2 = 0,22 – 0,24, the age of the 1st fruitful insemination and the first calving η2 = 0,24 – 0,25. In further breeding work with the breed, it is necessary to obtain and use domestic producers that exceed the breeding value of foreign bulls.

scholarly journals Violation of some parameters of pigment and lipid metabolism in experimental pneumonia in immobilization stress and their correction by corvitin

2015 ◽  
Vol 17 (2) ◽  
Author(s):  
N. М. Ferents
Keyword(s):  
Lipid Metabolism ◽  
Functional State ◽  
Liver Damage ◽  
Immobilization Stress ◽  
Negative Impact ◽  
Research Results ◽  
Experimental Pneumonia ◽  
Positive Effect

<p>Research results have shown the liver damage in terms of EP and IS in violation of its functional state. High<br />levels of bilirubin and cholesterol suggests the existence of violation of integrity hepatocytes syndrome which is<br />caused by the negative impact of VC in terms of IS . Using the domestic drug “Corvitin”, resulted in a significant<br />decrease in the changed parameters of bilirubin and cholesterol under conditions of formation of EP and IP , indicating<br />its positive effect adjustment.</p>

scholarly journals Морфологічні зміни тимусу курчат при різних схемах антибактеріальної терапії

2017 ◽  
Vol 19 (73) ◽  
pp. 11-18
Author(s):  
L.Y. Lyzogub
Keyword(s):  
Antibacterial Agents ◽  
Normal Development ◽  
Negative Impact ◽  
Preventive Treatment ◽  
Antibacterial Drug ◽  
Antibacterial Drugs ◽  
Main Thing ◽  
The Moment ◽  
The One ◽  
Positive Effect

The maximum number of products at the lowest cost – is the main thing, what modern poultry industry can be characterized. One of the most pressing problems at the moment is early antibiotic therapy and the associated safety of young poultry early age. In this regard, of particular interest for this study is how the most widely used antibacterial drugs effects on the one of key organs of the immune system – thymus. The article presents the data obtained in the course of the experiment, which determines how preventive treatment schemes, that includes usage single and multiple antibacterial drugs, influenced on the morphological status of the chickens thymus. We selected scheme and a combination of antibacterial drugs have not been studied previously. That was compared with the usage of probiotic Bolmol at the same treatment scheme. A comparison of morpho-functional state of the thymus of chickens 15-, 22- and 41-days-old, when applying several treatments schemes. The schemes of treatment included: the usage of one or two antibiotics during the cycle, compared with the usage of probiotic. We made the conclusions about the absence of the negative impact of selected drugs on the morphofunctional state of the thymus and the positive effect of probiotic «Bolmol». The morphometric parameters of the cortex and medulla in the lobules of the thymus of chicks 15-day-old, taking as an antibacterial drug probiotic Bolmol, were not significantly different from control values and were statistically significant when compared with chicks who used antibiotics: the width of the cortical area was on 15% and 29.09% wider then chickens receiving antibiotic treatment. This indicates a positive effect of probiotic Bolmol compared with antibacterial agents which were chosen. Thus, these data demonstrate that the use of probiotics in cyclic schemes of antibiotic prophylaxis contribute to the normal development of the thymus, which in turn leads to increased resistance and preservation of poultry. Was given the substantiation about safely usage of cyclic schemes of antibacterial drugs in the event of objective necessity.

scholarly journals Impact of Electronic Monitoring on Employees: A Meta-Analysis

2021 ◽  
Author(s):  
Rudolf Siegel ◽  
Cornelius J. König ◽  
Veronika Lazar
Keyword(s):  
Job Satisfaction ◽  
Electronic Monitoring ◽  
Negative Impact ◽  
Meta Analysis ◽  
Well Being ◽  
Negative Effect ◽  
And Performance ◽  
Relationship Of ◽  
Positive Effect ◽  
Small Positive Effect

Electronic monitoring is more and more widespread and affects many employees around the globe. The current meta analysis collected data of 59 independent samples (with 223 effect sizes) to estimate the effect of electronic monitoring on job satisfaction, stress, and performance. A random-effects model indicated a small negative effect of monitoring on job satisfaction, r=-.09, and a small positive effect on stress, r=.12. There was no relationship with performance, r=-.01. Even if the effects of monitoring on job satisfaction and stress are small, taking the large number of employees who are monitored for several hours a day into account, these effects may have a severe and negative impact on employees’ well-being. Performance maintenance is the main justification for the use of electronic monitoring, but the non-existing relationship of monitoring with performance questions the validity of this justification.

scholarly journals How do Poverty and Income Inequality affect Economic Growth in Developing Countries?

2021 ◽  
Vol 4 (2) ◽  
pp. 547-558
Author(s):  
Hamza Saleem ◽  
Fatima Farooq ◽  
Muhammad Aurmaghan
Keyword(s):  
Economic Growth ◽  
Developing Countries ◽  
Panel Data ◽  
Income Inequality ◽  
Negative Impact ◽  
Positive Impact ◽  
Development Indicators ◽  
The Relationship ◽  
Positive Effect ◽  
World Development

The major objective of this research is to examine the relationship between poverty, income inequality and economic growth from some selected developing countries. This study uses panel data for the period of 2002-2015. All the data is taken from world development indicators (WDI). To find out the results, we have used Hausman test an econometrics technique for panel data in this research. The results of the study indicate that poverty and income inequality have a negative impact on economic growth on the other hand Gross capital formation, labor force, total population and government consumption and expenditure have a positive impact on economic growth. The result tells us that changes in these variables have a significant and positive effect on the dependent variable. To achieve the goal of economic growth developing countries should reduce poverty and take meaningful steps to overcome the problem of inequality in the society which can be very helpful in achieving the goal of economic growth.

scholarly journals Перспективы применения гуминового комплекса на виноградниках Крыма

2019 ◽  
pp. 122-127
Author(s):  
Magometsaigit Beibulatov ◽  
Nadezhda Tikhomirova ◽  
Natalia Urdenko ◽  
Roman Buival ◽  
Yana Radionovskaya
Keyword(s):  
Positive Impact ◽  
Cabernet Sauvignon ◽  
Wine Grapes ◽  
Total Sugars ◽  
Table Grapes ◽  
New Generation ◽  
The Impact ◽  
Positive Effect ◽  
Average Cluster

В статье представлены результаты двухлетних исследований по изучению влияния внекорневых подкормок гуминовым препаратом нового поколения GSN-2004 HUMILIFEтм (ОСН-2004) на урожай и качество винограда столового сорта Мускат янтарный и технического сорта Каберне-Совиньон в условиях Южного берега Крыма. По результатам исследований 2017-2018 гг. установлено, что внекорневые подкормки изучаемым препаратом разработанной нормой 4 л/га, способствуют увеличению урожайности винограда сорта Мускат янтарный в среднем на 23,9%, при этом повышение урожайности составляет 2,7 т/га. Урожайность винограда сорта Каберне-Совиньон увеличивается на 26,5%, при этом повышение урожайности составляет 2,2 т/га. Подтверждено положительное влияние внекорневых подкормок на показатели качества винограда сорта Мускат янтарный, которое выразилось в увеличении средней массы грозди у изучаемого сорта на 40,3%, увеличении массовой концентрации сахаров в соке ягод на 5,4% и увеличении значений глюкоацидометрического показателя (ГАП) на 15,6%. Положительное влияние внекорневых подкормок на показатели качества винограда сорта Каберне-Совиньон выразилось в увеличении средней массы грозди на 23,0% и увеличении массовой концентрации сахаров в соке ягод на 7,1%.The paper summarizes findings of a two-year study on the impact of foliar fertilizing with a new generation humic preparation GSN-2004 HUMILIFEтм (ОСН-2004) on the harvest and quality of ‘Muscat Yantarniy’ table grapes and ‘Cabernet Sauvignon’ wine grapes in the conditions of the southern coast of Crimea. The data of the 2017-2018 study established that foliar dressing with the preparation under study in the ratio of 4 l/ha increases the harvest of ‘Muscat Yantarniy’ grapes on average by 23.9%, or by 2 t/ha. The yield of ‘Cabernet Sauvignon’ grapes was increased by 26.5%, thus increasing the harvest by 2.2 t/ha. The positive impact of foliar dressing on quality indicators of ‘Muscat Yantarniy’ grapes was confirmed. Thus, the average cluster weight increased by 40.3%, total sugars in the berry juice increased by 5.4 %, and gluco-acidometric index increased by 158.06 %. The study confirmed the positive effect of foliar dressing on quality characteristics of ‘Cabernet Sauvignon’ grapes, as demonstrated by a 23% increase in the average cluster weight and a 7.1 % increase in the total sugars in the berry juice.

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